Box furnace, 1700 deg C PID temp controller Accuracy, +- 1 deg C Kanthal super heating elements SGS audited quality The high temperature muffle ... possesses the advantages of fast heating (20-40mins), energy saving, high accuracy of controlling the temperature, reliable heat keeping, auto heating ... "x16") 1700. C 1700M 500x500x500mm (20"x20"x20") 1700. C High Quality Box Chamber Muffle Furnace 1700 C